Massage roller



FIG. 1 is a side elevational view of a massage roller showing my new design;

FIG. 2 is a cross-sectional view thereof, taken along the line 2--2 of FIG. 1;

FIG. 3 is an end elevational view thereof; and,

FIG. 4 is a top perspective view thereof. 

The ornamental design for a massage roller, as shown. 